12990930048 has 96 divisors (see below), whose sum is σ = 37425143340. Its totient is φ = 4325400576.

The previous prime is 12990930037. The next prime is 12990930083. The reversal of 12990930048 is 84003909921.

It can be written as a sum of positive squares in 2 ways, for example, as 12310346304 + 680583744 = 110952^2 + 26088^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 12990929985 and 12990930012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1091940 + ... + 1103772.

Almost surely, 2^12990930048 is an apocalyptic number.

12990930048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12990930048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18712571670).

12990930048 is an abundant number, since it is smaller than the sum of its proper divisors (24434213292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12990930048 is a wasteful number, since it uses less digits than its factorization.

12990930048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12806 (or 12791 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 12990930048 in words is "twelve billion, nine hundred ninety million, nine hundred thirty thousand, forty-eight".